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Note 9 - Inventory
12 Months Ended
Dec. 31, 2017
Notes to Financial Statements  
Inventory Disclosure [Text Block]
Note
9
– Inventory
 
Inventory consists primarily of raw materials, which are recorded at the lower of cost or market using the average-cost method, which approximates
first
-in,
first
-out (FIFO) cost. The Company periodically reviews its inventory for slow-moving, damaged and discontinued items and provides allowances to reduce such items identified to their recoverable amounts.
 
The Company
’s inventory consists of the following:
 
       
   
December 31,
 
(in thousands)
 
2017
   
2016
 
                 
Raw materials
  $
9,767
    $
8,057
 
Work in progress
   
1,998
     
1,531
 
Total inventory
   
11,765
     
9,588
 
Allowance for obsolescence
   
(494
)    
(278
)
Inventory, net of allowance
  $
11,271
    $
9,310